I will give brainest if you solve that A 40 Newton object is released from a height of 10 m. Just before it
hits the ground, its kinetic energy, in joules is:
A. 400
B. 3920
C. 2800
D. 4000

Asurvey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, based on the survey’s sample mean, which value could be the population mean? 2.3 hours 27.4 hours 75.3 hours 41.5 hours